DM_GETDEFID message

Retrieves the identifier of the default push button control for a dialog box.


#define WM_USER              0x0400
#define DM_GETDEFID         (WM_USER+0)

Parameters

wParam

This parameter is not used and must be zero.

lParam

This parameter is not used and must be zero.

Return value

If a default push button exists, the high-order word of the return value contains the value DC_HASDEFID and the low-order word contains the control identifier. Otherwise, the return value is zero.

Remarks

The DefDlgProc function processes this message.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Winuser.h (include Windows.h)

See also

Reference
DefDlgProc
DM_SETDEFID
Conceptual
Dialog Boxes

 

 

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